ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,699, issued on June 2, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Mass spectrometry method and mass spectrometer" was invented by Hidenori Takahashi (Kyoto, Japan) and Shinichi Yamaguchi (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mass spectrometer including: a reaction chamber into which a precursor ion derived from a sample molecule is introduced; a collision gas supply part configured to supply collision gas to the reaction chamber; a radical supply part configured to supply hydrogen radicals, oxygen radicals, nitrogen radicals, or hydroxyl radicals to the reaction chamber; a dissociation operation control part configured t...